• Code: 312.246
• Description: Booklet Stapler Fault. Error signal On and Ready signal Off output from the Booklet Stapler were detected after Booklet Stapling operation. The Stapler Ready signal did not turn to ‘Not Ready’ within the specified time after Booklet Stapler Start signal On. Error signal On and Ready signal Off output from the Booklet Stapler were detected after Stapler Power On check was performed at Power On or when the interlock was closed. Error signal On was detected just before the Booklet Stapling operation.
• Remedy: Check continuity between the Staple and Booklet PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Go to Figure 1. Check continuity between the Booklet PWB and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Stapler. The problem is resolved. Y↓ N→Replace the Booklet PWB (PL 24.51 Item 1). If the problem continues, replace the Finisher Main PWB. If the problem continues, replace the Finisher Main PWB.

• Code: 312.247
• Description: Side Registration Sensor Off Fault. Side Registration Sensor not turned off after the lapse of 500msec from operation start. Side Registration Sensor is not turned off after the stop following Side Registration Sensor Off. Target Side Registration Sensor1 or Side Registration Sensor2 is not turned off at operation start.
• Remedy: • The Actuator for deformation • The Side Reg 1 and 2 Sensors for improper installation • The Side Reg 1 and 2 Sensors connectors for connection failure • The Puncher Move Motor connectors for connection failure
  Enter dc330 Component Control [012-071] and [012-073], Puncher Move Motor (PL 24.32 Item 26), alternately. Select Start. The Puncher Move Motor run. Y↓ N→Select Stop. Go to BSD 14 22 Finisher Punch Drive. Check continuity between the Puncher Move Motor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Puncher Move Motor (PL 24.32 Item 26). If the problem continues, replace the Finisher Main PWB. Select Stop. Select [012-200], Side Registration 1 Sensor (PL 24.32 Item 10). Select Start. Block/unblock the Side Reg 1 Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Booklet/ Punch Transport. Check continuity between the Side Reg 1 Sensor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Side Reg 1 Sensor (PL 24.32 Item 10). If the problem continues, replace the Finisher Main PWB. Select [012-201], Side Reg 2 Sensor (PL 24.32 Item 10). Select Start. Block/unblock the Side Reg 2 Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Booklet/ Punch Transport. Check continuity between the Side Reg 2 Sensor and Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Side Reg 2 Sensor (PL 24.32 Item 10). If the problem continues, replace the Finisher Main PWB. Select Stop. Check the following: • The Puncher Move Motor Belt for improper tension • The Puncher Move Motor Belt for disengagement If the above checks are OK, replace the Finisher Main PWB.

• Code: 312.249
• Description: Booklet Front Stapler Fault. The Booklet Front Staple Home Switch is not On (does not return to home position) within the specified time after the Booklet Front Staple Motor starts to reverse.
• Remedy: Enter dc330 Component Control [12-024], Staple Motor FWD, and then [12-025], Staple Motor REV. The Front Booklet Stapler cycles normally. Y↓ N→There is +24 VDC from P/J8993 pin 5 on the Booklet PWB to GND. Y↓ N→Check the circuit from the Booklet PWB to the Booklet Stapler Cover Switch (Finisher Interlock Switching). Repair/replace as required (PL 23.21). Switch Off the power. Check the wires between P/J8994 on the Booklet PWB and P/ J8994 on the Front Booklet Stapler (Booklet Staple Control (1 of 2)) for a loose or damaged connector, or an open or short circuit. If the wires are OK, replace the Front Booklet Stapler Assembly. If the problem remains, replace the Booklet Maker PWB. Switch Off the power. Check the wire between P/J8995, pin 5 on the Booklet PWB and J8894 pin 3 on the Front Booklet Stapler (Booklet Staple Control (1 of 2)) for a loose or damaged connector, or an open or short circuit. If the wires are OK, replace the Front Booklet Stapler Assembly. If the problem remains, replace the Booklet Maker PWB.

• Code: 312.260
• Description: Eject Clamp Home Sensor On Fault. After the Eject Clamp started ascending, the Eject Clamp Home Sensor did not turn On within 500ms.
• Remedy: • Manually operate the Eject mechanism. Check for binding, a dirty sensor, or damage. • Check the actuator for the Eject Clamp Home Sensor b for damage
  Execute dc330 Component Control [012-250], Eject Clamp Home Sensor. Block and unblock the Eject Clamp Home Sensor The display changes. Y↓ N→Check the wire between J8870 pin 2 on the Eject Clamp Home Sensor and P/J8988 pin 8 on the Finisher PWB for an open or short circuit, or loose or damaged connectors. The wire is OK. Y↓ N→Repair/replace as required. Measure the voltage between P/J8988, pins 9 and 7 on the Finisher PWB. The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB. Measure the voltage between P/J8988 pin 8 on the Finisher PWB and GND. Actuate the Eject Clamp Home Sensor. The voltage changes. Y↓ N→Replace the Eject Clamp Home Sensor. Replace the Finisher PWB. Alternately execute dc330 Component Control [012-052], Eject Clamp Up and [012-053], Eject Clamp Down. The Eject Motor (PL 23.11) starts up. Y↓ N→Check the wires between P/J8878 pins 1~6 on the Eject Motor and P/J8983 pins 5~8 on the Finisher PWB for an open or short circuit, or loose or damaged connectors (Set Eject Control (1 of 2)). The wires are OK. Y↓ N→Repair/replace as required. Measure the resistance of the Eject Motor between each pin of P/J8878-1/3/4/6. The resistance is approx. 2Ohm. Y↓ N→Replace the Eject Motor. Replace the Finisher PWB. If the problem remains, replace the Eject Motor Go to Set Eject Control (1 of 2). Check for an intermittent circuit or intermittent mechanical problem. If the check is OK, replace the Finisher PWB.

• Code: 312.260
• Description: Eject Clamp Home Sensor On Fault. Eject Clamp Home Sensor is not turned On within a specified time.
• Remedy: • Check for obstructions in the Clamp area
  Enter dc330 Component Control [012-250], Eject Clamp Home Sensor (PL 24.34 Item 12). Select Start. Actuate the Eject Clamp Home Sensor. The display changes. Y↓ N→Select Stop. Go to Finisher Eject Drive. Check the circuit of the Eject Clamp Home Sensor. Refer to the Transmissive Sensor RAP for troubleshooting procedure. Select [012-052], Eject Clamp Motor (PL 24.34 Item 10). Select Start. The Eject Clamp moves up. Y↓ N→The Eject Motor energized. Y↓ N→Select Stop. Go to Finisher Eject Drive. Check the circuit of the Eject Clamp Motor. Refer to the Multiple Wire Motor RAP for troubleshooting procedure. Check the Eject Clamp Motor and its associated gears, pulleys and belts for damage, contamination and misalignment. Select Stop. Check the following: • Ensure that the Eject Clamp Home Sensor connectors are securely connected and that the wires are not damaged. • Ensure that the Eject Clamp Motor connectors are securely connected and that the wires are not damaged. If the above checks are OK, replace the Eject Clamp Home Sensor. If the problem persists, replace the Finisher Main PWB.

• Code: 312.261
• Description: Booklet Knife Folding Sensor Fault. When the Booklet Knife performs folding operation, the Knife Folding Sensor did not turn On within 400 msec after Knife Solenoid On.
• Remedy: • The Knife Folding Sensor for improper installation • The Knife Folding Sensor connectors for connection failure • The Booklet Fold Motor connectors for connection failure • The Knife Solenoid connectors for connection failure • The Knife Solenoid for improper installation • The Knife drive mechanism for a foreign substance
  Manually move the Booklet Tamper to both ends. Enter dc330 Component Control [013-008] and [013-009], Booklet Folder Roll Motor (PL 24.58 Item 2), alternately. Select Start. The Booklet Folder Roll Motor energizes. Y↓ N→Select Stop. Go to Booklet Drive. Check continuity between the Booklet Folder Roll Motor and the Booklet PWB and between the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Booklet Folder Roll Motor (PL 24.58 Item 2). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select dc330 Component Control [013-010], Knife Solenoid, (PL 24.58 Item 10). Select Start. The Knife Solenoid actuates. Y↓ N→Select Stop. Go to Booklet Knife Control. Check continuity between the Knife Solenoid and the Booklet PWB and between the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Knife Solenoid (PL 24.58 Item 10). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. Select dc330 Component Control [013-101], Booklet Knife Home Sensor (PL 24.54 Item 3). Select Start. Block/unblock the Knife Home Sensor. The display changed. Select Stop. Go to Booklet Knife Control. Check continuity between the Knife Home Sensor and the Booklet PWB and between the Booklet PWB and the Finisher PWB. The continuity check is OK. Y↓ N→Repair the open circuit or short circuit. Replace the Knife Home Sensor (PL 24.54 Item 3). If the problem continues, replace the Booklet PWB (PL 24.51 Item 1). If the problem persists, replace Finisher Main PWB. Select Stop. If the problem continues, replace the Finisher Main PWB.

• Code: 312.263
• Description: Rear Tamper Fault. After the Rear Tamper started moving to the home position, the Rear Tamper Home Sensor did not turn On within 800ms.
• Remedy: Manually operate the Tamper mechanism. The Tamper mechanism moves smoothly. Y↓ N→Replace the parts that are interfering with operation. Execute dc330 Component Control [012-221], Rear Tamper Home Sensor. Manually operate the Tamper mechanism to block and unblock the sensor. The display changes. Y↓ N→Check the wire between J8882 pin 2 and J8984 pin 8 for an open or short circuit, or a loose or damaged connector. The wire is OK. Y↓ N→Repair/reconnect as required. Measure the voltage between J8984, pins 9 and 7 on the Finisher PWB (Tamping Control (2 of 2)). The voltage is approx. +5VDC. Y↓ N→Replace the Finisher PWB. Measure the voltage between J8984, pin 8 on the Finisher PWB and GNN (Tamping Control (2 of 2)). Manually operate the Tamper mechanism to block and unblock the Rear Tamper Home Sensor. The voltage changes. Y↓ N→Replace the Rear Tamper Home Sensor. Replace the Finisher PWB. Alternately execute dc330 Component Control [012-026], Rear Tamper Motor Front and [012- 029], Rear Tamper Motor Rear. The Rear Tamper Motor moves. Y↓ N→There is +24 VDC from J8984 pin 19 on the Finisher PWB to GND Y↓ N→There is +24 VDC from J8982 pin 4 on the Finisher PWB to GND Y↓ N→Go to Finisher Interlock Switching and check the +24V circuit feeding pin 4. Repair/reconnect as required. Replace the Finisher PWB. Check the wires between J8984, pins 13 ~ 17 on the Finisher PWB, and the Rear Tamper Motor P/J8883 for an open or short circuit, or a loose or damaged connector. The wires are OK. Repair/reconnect as required. Replace the Rear Tamper Motor. If the problem persists, replace the Finisher PWB. Replace the Finisher PWB.

• Code: 312.263
• Description: Rear Tamper Home Sensor On Fault. The Rear Tamper Home Sensor did not turn On within the specified time after the Tamper Motor had started running.
• Remedy: • Rear Tamper Actuator for deformation • Rear Tamper Home Sensor for proper installation • Rear Tamper Home Sensor connectors • Rear Tamper Motor for proper operation • Rear Tamper Motor connectors
  Enter dc330 Component Control [012-026] and [012-029], Rear Tamper Motor (PL 24.55 Item 9), alternately. Select Start. The Rear Tamper Motor runs. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Rear Tamper Motor. Refer to Multiple Wire Motor RAP for troubleshooting procedure. Select Stop. Select [012-221], Rear Tamper Home Sensor (PL 24.55 Item 7). Select Start. Actuate the sensor with a piece of paper. The display changes. Y↓ N→Select Stop. Go to Finisher Tamper Control. Check circuit of the Rear Tamper Home Sensor. Refer to Transmissive Sensor RAP for troubleshooting procedure. Select Stop. If the problem continues, replace the Finisher Main PWB.